Life sciences · Phase 1/2 Trial
ClinicalTrials.gov · October 1, 2026
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Phase 1/2 Trial.
No findings were extractable from the material analysed.
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Registry record from ClinicalTrials.gov (NCT02129556). This is a study registration, not published results. Lead sponsor: ETOP IBCSG Partners Foundation. Recruitment status: COMPLETED. Phase: PHASE1, PHASE2. Study type: INTERVENTIONAL. Enrollment: 58 participants (ACTUAL). Conditions: Metastatic Breast Cancer. Interventions: DRUG: MK-3475. Primary outcome measures: Dose-Limiting Toxicity (DLT) of MK-3475 in Combination With Trastuzumab , Within the first 21 days; Objective Response Rate (ORR) , Clinical and radiological tumor assessment will be performed by CT scan or MRI at baseline, at weeks 12, 18 and 24, then every 12 weeks until progression, or 24 weeks after stop of treatment if before progression.. Brief summary: Panacea is a phase Ib/II trial evaluating the efficacy of MK-3475 and trastuzumab in patients with trastuzumab-resistant, HER2- positive metastatic breast cancers